Federico Gaio (; born 5 March 1992) is an Italian tennis coach and a former professional player. He reached his career high ATP singles ranking of World No. 124 in February 2020. He reached a career high in doubles of No. 163 on 2 November 2020, following his maiden ATP doubles final at the 2020 Rio Open partnering Salvatore Caruso. Was the coach of top ten player Jasmine Paolini in the second half of 2025, achieving with her a 1000 final in singles at Cincinnati Open and winning the 1000 doubles at China Open.
He competed mainly on the ATP Challenger Tour and the ITF circuit. He won four Challenger and nine ITF futures singles and three Challenger and four ITF futures doubles titles.
Coaching In July 2025 he began coaching top 10 player Jasmine Paolini; they parted ways in November 2025.
Professional career
2015: ATP debut He played his first ATP main draw match in the 2015 Rome Open after gaining entry as a wildcard.
2018: Grand Slam singles debut
He made his Grand Slam debut at the 2018 US Open as a qualifier where he lost to tenth seed David Goffin.
2020: Maiden doubles ATP final He reached his first doubles final at the ATP 500 2020 Rio Open partnering Salvatore Caruso where they lost to Horacio Zeballos/Marcel Granollers.
2023: First Challenger final since 2021 At the 2023 Piemonte Open Challenger 175 he reached his first final since July 2021 as a qualifier with a win over top seed and world No. 40 Sebastian Baez. As a result, he moved more than 100 positions up into the top 250 on 22 May 2023.
ATP Tour career finals Doubles: 1 (1 runner-up) LegendGrand Slam tournaments (0–0)ATP Finals (0–0)ATP Masters 1000 (0–0)ATP 500 (0–1)ATP 250 (0–0)Finals by surfaceHard (0–0)Clay (0–1)Grass (0–0)Finals by settingOutdoor (0–1)Indoor (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Rio Open, BrazilATP 500Clay Salvatore Caruso Marcel Granollers Horacio Zeballos4–6, 7–5, [7–10]
ATP Challenger and ITF Futures/World Tennis Tour finals
Singles: 28 (13 titles, 15 runner-ups) LegendATP Challenger Tour (4–5)ITF Futures/WTT (9–10)Finals by surfaceHard (5–4)Clay (8–11)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfaceOpponentScoreWin1–0Kazakhstan F2, TarazFuturesHard Takuto Niki0–6, 6–4, 6–2Win2–0Kazakhstan F3, AlmatyFuturesHard Ilia Starkov6–0, 7–5Loss2–1Israel F6, AshkelonFuturesHard Amir Weintraub4–6, 2–6Win3–1Argentina F18, Bell VilleFuturesClay Renzo Olivo7–5, 7–5Loss3–2Austria F2, SeefeldFuturesClay Patrick Ofner5–7, 6–3, 4–6Win4–2Turkey F36, AntalyaFuturesHard Richard Gabb3–6, 7–6(7–2), 6–1Loss4–3Greece F17, HeraklionFuturesHard Dennis Novak4–6, 2–6Loss4–4France F9, GrasseFuturesClay Jonathan Eysseric3–6, 4–6Loss4–5Italy F23, ModenaFuturesClay Daniele Giorgini3–6, 4–6Loss4–6Cortina, ItalyChallengerClay Filip Krajinović6–2, 6–7(5–7), 5–7Win5–6Turkey F36, AntalyaFuturesHard Hiroyasu Ehara1–6, 6–0, 6–4Loss5–7Croatia F7, VrsarFuturesClay Riccardo Bellotti4–6, 6–3, 4–6Win6–7Italy F5, Santa Margherita di PulaFuturesClay Stefano Napolitano6–2, 6–4Loss6–8Italy F10, BergamoFuturesClay Matteo Trevisan4–6, 4–6Win7–8Italy F22, AppianoFuturesClay Francisco Bahamonde6–4, 6–3Win8–8San Benedetto, ItalyChallengerClay Constant Lestienne6–2, 1–6, 6–3Win9–8Biella, ItalyChallengerClay Thomaz Bellucci7–6(7–5), 6–2Win10–8Italy F29, Santa Margherita di PulaFuturesClay Jay Clarke6–2, 7–5Win11–8Italy F35, Santa Margherita di PulaFuturesClay Lorenzo Sonego7–6(7–4), 2–6, 6–0Loss11–9Padova, ItalyChallengerClay Sergio Gutiérrez Ferrol2–6, 6–3, 1–6Loss11–10Parma, ItalyChallengerClay Tommy Robredo6–7(10–12), 7–5, 6–7(6–8)Win12–10Manerbio, ItalyChallengerClay Paolo Lorenzi6–3, 6–1Win13–10Bangkok, ThailandChallengerHard Robin Haase6–1, 4–6, 4–2 ret.Loss13–11Todi, ItalyChallengerClay Mario Vilella Martínez6–7(3–7), 6–1, 3–6Loss13–12M25 Monastir, TunisiaWTTHard Francesco Forti3–6, 4–6Loss13–13M25 Vila Real de Santo Antonio, PortugalWTTHard Henrique Rocha3–6, 1–6Loss13–14Turin, ItalyChallengerClay Dominik Köpfer7–6(7–5), 2–6, 0–6Loss13–15M25 Grasse, FranceWTTClay Maxime Chazal6–4, 4–6, 2–6
Doubles: 18 (7 titles, 11 runner-ups) LegendATP Challenger Tour (3–6)ITF Futures/WTT (4–5)Finals by surfaceHard (3–6)Clay (4–5)Grass (0–0)Carpet (0–0)
ResultW–LDateTournamentTierSurfacePartnerOpponentsScoreLoss0–1Italy F34, Quartu Sant'ElenaFuturesHard Alessandro Giannessi Fabio Colangelo Matteo Volante6–7(7–9), 1–6Win1–1Italy F29, AlgheroFuturesHard Alessandro Giannessi Vasek Pospisil Marcus Willis6–2, 7–5Loss1–2Italy F1, TrentoFuturesHard (i) Alessandro Giannessi Nikolai Fidirko Nikolaus Moser4–6, 4–6Loss1–3Recanati, ItalyChallengerHard Purav Raja Frederik Nielsen Ken Skupski4–6, 5–7Loss1–4Italy F12, ParmaFuturesClay Matteo Volante Edoardo Eremin Claudio Grassi5–7, 2–6Win2–4Turkey F36, AntalyaFuturesHard Laurynas Grigelis Dekel Bar Richard Gabb1–6, 6–3, [10–8]Win3–4Turkey F37, AntalyaFuturesHard Laurynas Grigelis Alexander Krasnorutskiy Anton Manegin6–3, 7–6(7–5)Loss3–5Croatia F6, RovinjFuturesClay Matteo Trevisan Dino Marcan Antonio Šančić3–6, 5–7Loss3–6Vicenza, ItalyChallengerClay Salvatore Caruso Facundo Bagnis Guido Pella2–6, 4–6Loss3–7Padova, ItalyChallengerClay Alessandro Giannessi Mikhail Elgin Andrey Rublev4–6, 6–7(4–7)Loss3–8Szczecin, PolandChallengerClay Alessandro Giannessi Tristan Lamasine Fabrice Martin3–6, 6–7(4–7)Win4–8San Benedetto, ItalyChallengerClay Stefano Napolitano Facundo Argüello Sergio Galdós6–3, 6–4Win5–8Rome, ItalyChallengerClay Stefano Napolitano Marin Draganja Tomislav Draganja6–7(5–7), 6–2, [10–3]Win6–8Italy F30, Santa Margherita di PulaFuturesClay Andrea Pellegrino Matthias Haim Jakob Sude7–6(7–1), 6–1Win7–8Caltanissetta, ItalyChallengerClay Andrea Pellegrino Blaž Rola Jiří Veselý7–6(7–4), 7–6(7–5)Loss7–9Tashkent, UzbekistanChallengerHard Enrique López Pérez Sanjar Fayziev Jurabek Karimov2–6, 7–6(7–3), [9–11]Loss7–10Oct 2021Brest Challenger, FranceChallengerHard (i) Salvatore Caruso Sadio Doumbia Fabien Reboul6-4, 3–6, [3-10]Loss7–11M25 Vila Real de Santo Antonio, PortugalWTTHard Jacopo Berrettini Simon Beaupain Juan Bautista Otegui2–6, 6–4, [8–10]
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